On this page
Asset Type
Manufacturer
Model
What This Guide Helps With
Troubleshoots unresponsive Volista control interfaces caused by power, contamination, physical damage, connection, control-state, or service-level problems.
Step-by-Step Troubleshooting
1. Protect the Patient and Maintain Lighting Control
If the light cannot be reliably controlled during a procedure, provide alternate verified surgical lighting before technical troubleshooting. Do not leave a light in clinical use if intensity or positioning cannot be controlled safely.
Expected outcome: Clinical staff have dependable lighting independent of the affected controls.
2. Identify Exactly Which Control Is Unresponsive
Determine whether the problem affects a wall control, control panel, touchscreen, light-head control, individual button, or the entire system. Confirm whether the display is blank, frozen, intermittently responsive, or showing normal information without accepting input.
Expected outcome: The failed control path is clearly identified.
3. Verify Basic System Power
Confirm that the surgical light is powered and that other controls or light heads respond. If the entire system is inactive, troubleshoot the power condition before treating the issue as an interface failure.
Expected outcome: The system has normal operating power or the problem is correctly redirected to a power-related investigation.
4. Inspect the Control Surface
Inspect the affected control for fluid, cleaning residue, protective-film interference, cracks, impact damage, stuck buttons, or contamination. Clean only using approved methods and ensure the surface is dry before retesting.
Expected outcome: The control surface is clean, dry, intact, and unobstructed. If normal response returns, verify all functions and stop troubleshooting.
5. Compare Available Control Locations
If the installation provides more than one normal control location, test them individually. Determine whether one interface is unresponsive while other controls operate the same lighting functions normally.
Expected outcome: The problem is localized to one interface or confirmed as a broader control failure.
6. Inspect Accessible Connections
Inspect any accessible external cable or connector associated with the affected control for looseness, damage, strain, or contamination. Reseat only connections intended for routine field access.
Expected outcome: Accessible connections are secure and undamaged. If correcting a connection restores reliable control, complete functional verification and stop.
7. Perform an Approved Normal Restart
If clinically safe and allowed by normal operating procedures, power-cycle the affected system using standard controls. Do not enter unauthorized service menus or change configuration parameters merely to recover a frozen interface.
Expected outcome: The interface completes a normal restart and remains responsive. If so, verify repeated operation before ending troubleshooting.
8. Verify All Clinically Used Functions
After recovery, verify intensity adjustment and all other normal functions available through the affected interface. Confirm that control inputs correspond correctly to light response.
Expected outcome: Controls respond consistently and command the expected lighting functions.
9. Escalate Recurrent or Unresolved Control Failure
If the interface remains blank, frozen, erratic, or recurrently unresponsive after external causes are excluded, remove the affected system from service where safe control cannot be guaranteed.
Expected outcome: Unreliable controls are escalated rather than returned to clinical use.
If the Problem Persists
Common external power, contamination, connection, and control-state causes have been ruled out. The remaining fault may involve the interface assembly, internal communications, control electronics, installed wiring, software, or configuration.
Remove the affected system from service, label it Out of Service, and arrange qualified repair or technical evaluation using current Getinge service documentation and approved test equipment. Internal repair or configuration changes should be performed only by qualified personnel.
Return-to-service testing should verify every clinically used control path and confirm stable light response. Knowing when to stop external troubleshooting is proper troubleshooting.
Clinical Use Tip
A light that illuminates but cannot be predictably controlled is still unreliable surgical equipment and should not be treated as fully functional.
Work Order Documentation (CCR Method)
CCR = Complaint, Cause, Resolution
Complaint
What was reported by the clinical staff.
Example:
"OR staff reported that the Volista wall control displayed normally but did not respond to touch commands."
Cause
What was observed during troubleshooting.
Example:
"Clinical Engineering found cleaning residue on the control surface interfering with reliable input."
Resolution
What action was taken.
Example:
"The control was cleaned using the approved method, full control response and light adjustment were verified, and the system was returned to service."
Helpful Details to Include (If Known)
- Exact control location affected
- Blank, frozen, intermittent, or nonresponsive behavior
- Whether other controls worked
- Control-surface condition
- Physical damage or fluid exposure
- Accessible connector condition
- Restart results
- Functions tested after correction
- Whether the problem recurred
- Final device status
Final Thought
Preserve dependable surgical illumination, isolate the affected control, rule out contamination and external connections first, and escalate any interface that cannot be proven stable.
That is successful troubleshooting.